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144130164 = 22383144709
BaseRepresentation
bin10001001011101…
…00000001110100
3101001012120102020
420211310001310
5243344131124
622145113140
73400041363
oct1045640164
9331176366
10144130164
11743a3142
12403287b0
1323b25229
14151db7da
15c9c0379
hex8974074

144130164 has 24 divisors (see below), whose sum is σ = 340357920. Its totient is φ = 47464224.

The previous prime is 144130163. The next prime is 144130183. The reversal of 144130164 is 461031441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144130163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71359 + ... + 73350.

It is an arithmetic number, because the mean of its divisors is an integer number (14181580).

Almost surely, 2144130164 is an apocalyptic number.

It is an amenable number.

144130164 is an abundant number, since it is smaller than the sum of its proper divisors (196227756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144130164 is a wasteful number, since it uses less digits than its factorization.

144130164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144799 (or 144797 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 144130164 is about 12005.4222749556. The cubic root of 144130164 is about 524.3061600692.

The spelling of 144130164 in words is "one hundred forty-four million, one hundred thirty thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 144709 289418 434127 578836 868254 1736508 12010847 24021694 36032541 48043388 72065082 144130164